Text Dissappears from Table

Have an issue applying a custom cell renderer to a table that I've created, unfortunately when i apply the renderer the text disappears. remove the renderer and it reappears.

I've set the foreground and background colours and set Opaque to true I've even tried setting the value again in the renderer with no luck. I think I've got all the required code below.

occupationTable = new JTable(model);
occupationTable.setDefaultRenderer(Object.class, new tableColour());

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package renderers;

import java.awt.Color;
import java.awt.Component;

import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;

import dataTypes.OccupationTableModel;

public class tableColour extends JTable implements TableCellRenderer {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	// public static final DefaultTableCellRenderer DEFAULT_RENDERER = new
	// DefaultTableCellRenderer();

	@Override
	public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int rowIndex, int vColIndex) {
		setOpaque(true);

		OccupationTableModel aModel = (OccupationTableModel) table.getModel();

		String Acceptence = aModel.getOccupation(rowIndex).getgeneralAcceptence();

		if (isSelected) {
			this.setForeground(Color.BLACK);
			this.setBackground(Color.BLUE);
			
		} else {
			if (Acceptence != null) {
				try {
					if (Acceptence.equals("Decline")) {
						this.setForeground(Color.BLACK);
						this.setBackground(Color.RED);
					} else {
						this.setForeground(Color.BLACK);
						this.setBackground(Color.WHITE);
					}
				} catch (Exception e) {
					System.out.println("Shit");
					e.printStackTrace();
				}
			}
			
		}
		return this;
	}

}

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UnformattedTable.jpg
UnformattedTable.jpg